On Thu, Nov 02, 2017 at 09:23:58AM +0100, Takashi Iwai wrote:
> 
> Currently the least ALSA timer interrupt period is limited to 1ms.
> Does it still too much?
> 
> Can the reproducer triggers it reliably?  If yes, could you forward
> it, too (and config as well), so that I'll try to dig down more exact
> code paths?

All of that is part of original report:

http://lkml.kernel.org/r/94eb2c19df188b1926055cf13c21@google.com

marc.info hasn't stored repro.c for some reasone. Attached.

I've just check it reproduces reliably for me in KVM.

I also checked that it's not specific to THP -- still trigirable with huge
pages disabled.

-- 
 Kirill A. Shutemov